A Lesson in Perfection: 1959 Ariel Square Four

Restorer Gary Athey found the Ariel Square Four he’d always wanted, and then rebuilt it to his own specification.

By Greg Williams
Published on October 14, 2020
article image
by Jeff Barger

Engine: 997cc air-cooled OHV “square” 4-cylinder, 65mm x 75mm bore and stroke, 7.2:1 compression ratio, 42hp @ 5,500rpm (claimed)

Top speed: 105mph (approx.)

Carburetion: SU, variable choke

Transmission: 4-speed, chain final drive

Electrics: 6v, coil and breaker points distributor ignition

Frame/wheelbase: Single downtube steel cradle/56in (1,422mm)

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